The elements of the three transition series of the d-block are given b – InterviewSolution

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1.	The elements of the three transition series of the d-block are given below `:` `{:(Sc,Ti,V,Cr,Mn,Fe,Co, Ni,Cu,Zn),(Y,Zr,Nb,Mo,Tc,Ru,Rh,Rd,Ag,Cd),(La,Hf,Ta,W,Re,Os,Ir,Pt,Au,Hg):}` In any transition, as we move from left to right,the d-orbital sare progressively filled and their properties vary accordingly . Which element do you expect to have the smallest atomic radius ?A. ScB. ZnC. LaD. Hg
Answer» Atomic size decreases along the transition series from left to right though at the end of the series, there is a slight increase. Down the group, the size increases through elements of the second and third series have nearly the same size due to lanthanide contraction.

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